Forbes. com - Editores: Shlomo Reifman e Samantha N. Wong Pesquisadores: Joshua Brandt, Fei Mei Chan, Andrew T. Gillies, Soo Jeong, Edward Knudsen, Artie Kwok, John Ray e Jody Yen Programador: Carl Sublick
As maiores empresas privadas da América (Forbes. com)